Delhi to map underwater terrain of Yamuna, Najafgarh drain

Technologies such as single- and multi-beam sonar, acoustic dopplers, GPS and motion sensors will be deployed to map the ...

Unistellar’s smart binoculars can tell you which mountain you’re looking at

Some features were a bit rough and it took practice to use the binoculars smoothly. But it’s an interesting amalgam of analog and digital tech that’s bound to be a hit with astronomers and travelers.